130278766500 has 192 divisors, whose sum is σ = 422714073600. Its totient is φ = 34642944000.

The previous prime is 130278766489. The next prime is 130278766529. The reversal of 130278766500 is 5667872031.

130278766500 is a `hidden beast` number, since 1 + 3 + 0 + 2 + 7 + 87 + 66 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4833060 + ... + 4859940.

It is an arithmetic number, because the mean of its divisors is an integer number (2201635800).

Almost surely, 2^130278766500 is an apocalyptic number.

130278766500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130278766500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211357036800).

130278766500 is an abundant number, since it is smaller than the sum of its proper divisors (292435307100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130278766500 is a wasteful number, since it uses less digits than its factorization.

130278766500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27268 (or 27250 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 130278766500 in words is "one hundred thirty billion, two hundred seventy-eight million, seven hundred sixty-six thousand, five hundred".